SQL Indexing and Tuning e-Book for developers: Use The Index, Luke covers Oracle, MySQL, PostgreSQL, SQL Server, ...
A site explaining SQL indexing to developers—no crap about administration. SQL indexing is the most effective tuning method—yet it is often neglected during development. Use The Index, Luke explains SQL indexing from grounds up and doesn’t stop at ORM tools like Hibernate. Use The Index, Luke is the free web-edition of SQL Performance Explained. If you like this site, consider getting the book. Al
10 things in MySQL (that won't work as expected).
(I just discovered cracked.com) #10. Searching for a NULL SELECT * FROM a WHERE a.column = NULL In SQL, a NULL is never equal to anything, even another NULL. This query won't return anything and in fact will be thrown out by the optimizer when building the plan. When searching for NULL values, use this instead: SELECT * FROM a WHERE a.column IS NULL #9. LEFT JOIN with additional conditions SELECT
htmlSQL - a PHP class to query the web by an SQL like language
This is a archive of older and discontinued projects and experiments I worked on. Test Everything (2007 — 2020) A meta testing tool for your website. My blog (2006 — 2011) From 2006 till 2008 I wrote articles in my german blog named “Lost in programming”. In 2011 I removed the remaining old articles from my homepage. Free icon set (2007) Years ago I made a free icon set from freely available stock
Instant SQL Formatter & Beautifier Online
Keywords case: Table name case: Column name case: Function case: Datatype case: Variable case: Alias case: Quoted identifier case: Other identifier case: Linebreaks with comma: After Before Before with space List and Parameters Style: Stacked Not Stacked Stacked align: Align left Align right And/Or under Where Clause: And/Or under Where Remove linebreak before beautify: Remove Linebreak before bea
mysqlコマンドで、テーブル名とかカラム名の補完(completion)をする方法 - (ひ)メモ
追記: rehash(auto-rehashも含む)すると、SQL文の補完(seleでタブ打鍵とか)が効かなくなるよと、はす向かいの人に教えてもらいました。 個人的には、SQLは「mysql> help select」とかでオンラインヘルプがびょっと出るので、スキーマの補完ができるんならSQLの補完はとりあえずあきらめてもいいかなと思っています。 常々、テーブル名とか補完できるといいなーと思っていたので、ボロっときいてみたら教えてもらいました。あざーーーーっす！ id:mikihoshi++ id:tokuhirom++ id:precuredaisuki++ おかげで効率が300%上がりました。(Benchmark::Stopwatchで計測) http://dev.mysql.com/doc/refman/5.1/en/mysql-command-options.html#option
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10 Essential SQL Tips for Developers | Envato Tuts+
IDEA * IDEA
